HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 316

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

9. 8-Bit Timers
9.7
Note that the following kinds of contention can occur in 8-bit timer operation.
9.7.1
If a timer counter clear signal occurs in the T
counter takes priority and the write is not performed. Figure 9.18 shows the timing in this case.
Rev.4.00 Aug. 20, 2007 Page 272 of 638
REJ09B0395-0400
Counter clear signal
Internal write signal
Usage Notes
Contention between 8TCNT Write and Clear
Address bus
8TCNT
Figure 9.18 Contention between 8TCNT Write and Clear
φ
T
1
N
8TCNT write cycle
3
8TCNT address
state of a 8TCNT write cycle, clearing of the
T
2
T
3
H'00